Ducted fan gas turbine engine nacelle assembly
AssigneeROLLS-ROYCE plc
InventorArnold C. Newton
Life of this patent
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Abstract
A ducted fan gas turbine engine nacelle assembly comprises an aerodynamic nacelle within which is enclosed a ducted fan gas turbine engine. The nacelle includes an annular containment structure which surrounds the engine fan and fan casing to contain any detached fan blade or blade parts.
Claims10
A ducted fan gas turbine engine nacelle assembly comprising an aerodynamic nacelle enclosing a ducted fan gas turbine engine, said engine including a fan and an annular casing surrounding the radially outer extent of said fan to define a fan duct, said nacelle including an annular containment structure located radially outwardly of said fan and its surrounding annular casing and separated from said fan casing, said containment structure comprising a plurality of layers of fibrous containment material, said nacelle additionally including an air intake portion positioned upstream of said annular fan casing, said air intake portion being supported by the remainder of said nacelle and independently of said fan casing.
Dependencies are inferred from the claim text.